2745822 has 16 divisors (see below), whose sum is σ = 5567760. Its totient is φ = 902592.

The previous prime is 2745797. The next prime is 2745829. The reversal of 2745822 is 2285472.

It is a self number, because there is not a number n which added to its sum of digits gives 2745822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2697 + ... + 3572.

It is an arithmetic number, because the mean of its divisors is an integer number (347985).

2^2745822 is an apocalyptic number.

2745822 is an abundant number, since it is smaller than the sum of its proper divisors (2821938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2745822 is a wasteful number, since it uses less digits than its factorization.

2745822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6347.

The product of its digits is 8960, while the sum is 30.

The square root of 2745822 is about 1657.0522019538. The cubic root of 2745822 is about 140.0309795388.

The spelling of 2745822 in words is "two million, seven hundred forty-five thousand, eight hundred twenty-two".